Concrete tie and rail-fastening



M. A. 301w. CONCRETE TIEAND RAIL FASTENING APPLICATION FILED MAR. 11, I920.

1,399,926. Patented Dec. 13, 1921;

I I G i IHWI i yr zzvi'oz War/ 1' 450/215. u/nwsss:

UNITED STATES PATENT OFFICE.

MARTIN A. BONK, 0F MANITOWOC, WISCONSIN.

CONCRETE TIE AND RAIL-FASTENING.

To all whom it may concern Be it known that I, MARTINA. BONK, a citizen of the United States, and a resident of the city of Manitowoc, in the county of Manitowoc and State of Wisconsin, have invented a certain new and useful Improvement in Concrete Ties and Rail-Fastenings; and I do declare the following to be a full, clear, and exact description thereof, such as will enable persons skilled in the art to which the invention pertains to make and use the same, reference being had to the accompanying drawings for a disclosure of the construction of the invention.

- My invention resides in a reinforced con crete railway tie.

The invention further resides in the means provided for placing and for anchoring the rail securing bolts in the tie.

A broadened bearing surface for such rail securing means is provided within, the tie, whereby the pressure imposed in the use of such means is distributed over a wider area, with the result that there is a reduced liability to disintegration of the tie at the points where such pressure is applied.

Referring to the accompanying drawings, Figure 1 is a view in elevation of a section of a railway tie, broken out toshow the manner in which the rail securing means is applied in practical use.

Fig. 2 is an inverted perspective view showing a tie constructed in accordance with my invention, and broken out at the middle to save space.

Fig. ,3 is a section on the line 3-3, Fig. 1, showing the cushioning filler block.

Fig. 4 is a perspective view of one of the fastening bolts which I use in securing the rail in position upon the face of the tie.

In the drawings A indicates a: molded concrete tie, reinforced by a series of longitudinal rods B and cross rods C, sufficient in number and arrangement within the body of the tie to impart the necessary rigidity thereto.

In molding the tie a vertical slot D is formed through the tie near each end thereof, and immediately underlies the point at which the rail is placed in position. At each end of the slot, which extends in the direction of the length of the tie, recesses E are formed, which recesses stand normal to the longitudinal slot.

My improved fastening device is constituted of a bolt F provided with a T-head Specification of Letters Patent. Patented Dec 13 1921, Application filed March 17, 1920. Serial No. 366,684.

F The length of the T will exceed considerably the'diameter of theshank of the k bolt, and when placed in the position shown' in F ig." 1, will act to distribute over a considerable area the force applied when the rail is fastened in position. The result of this increased bearing surface is to relieve the tie of the tendency to disintegrate the structure at the points where the pressure is applied to the tie.

Clamps G and G perforated to receive the upper ends of the bolts, are placed upon the face of the tie, and bear upon the flange of the rail, and with their upright faces bear against the web of the rail and support the latter in position. Nuts F applied to the threaded ends of the bolts and resting upon the rail clamps, serve to bind the rails securely in the position in which it has been set. In applying my improved fastening means the tie is properly placed upon the roadway and the T-head of a bolt F will'be passed into the vertical slot D, at the bottom of which the bolt will be given a quarter turn to bring the T- head into engagement with one of the cross slots E. The T-head of a second boltwill in the same manner be brought into engagement with the other cross slot E.

The upper part of the vertical slot D is widened so as to form a bearing d, in which is placed a cushioning filler block S, formed of wood, and which is impregnated with creosote and coated with asphaltum, so as to repel moisture. The block S is of such length as to fill the space between the bolts when the latter are positioned at the ends of the slot, and being firmly supported in its hearing at the upper part of the slot D, will have a cushioning effect when train pressure is applied upon the rails, so that the vibrations in the cross tie due to such pressure are lessened. A plate 25 formed as a sheet of galvanized metal, will be nailed to the filler block, to form a covering for the slot D. The rail will then be laid in ent of the United States is:

1. In a railway tie, such tie being provided with vertical slots in those portions which underlie the rail when seated, and

having cross slots adjacent the ends of the vertical slots at the underside of the tie, T-headed bolts engaging the said cross slots and extending upwardly to the face of the tie and through clamps resting upon the flanges of the rail, nuts threaded upon the ends of the bolts to hold the parts in assembled position With a cushioning filler block in the upper portion of the recess and spacing the bolts.

2; A tie provided with cross slots at its underside, rail fastening bolts passing through the tie and having T-heads which lie in the said cross slots, clamps bearing upon the flanges of the rail and receiving 15 said bolts, and nuts upon the free ends of 'the bolts to hold the parts in assembled position and a cushioning filler block spacing the bolts at each side of the rail.

Signed at ManitoWoc, l/Visconsin, this 20 8th day of March, 1920.

MARTIN A. BONK. Witness:

ALBERT C. ToMoHEK. 

